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| Features |
TBAM |
INFOS |
| Single-level Keys |
Yes |
Yes |
| Multi-level Keys |
Yes |
Yes |
| File Inversions |
Yes |
Yes |
| Record Inversions |
Yes |
Yes |
| Partial Records |
Improved |
Yes |
| Variable Length Keys |
Yes |
Yes |
| Duplicate Keys |
Yes |
Yes |
| Generic Key Access |
Yes |
Yes |
| Approximate Key Access |
Yes |
Yes |
| Relative Reads & Writes |
Yes |
Yes |
| Space Management |
Improved |
Yes |
| Record Management |
Improved |
Yes |
| Automatic File Locking |
Yes |
No |
| Automatic Record Locking |
Yes |
No |
| Operator Interface |
Yes |
Yes |
| Database Management Utilities |
Improved |
Yes |
| Database Unload & Load Utilities |
Yes |
Limited |
| Automatic Recovery |
Yes |
No |
| Transactions |
Yes |
No |
| Multi-database Transactions |
Yes |
No |
| Available on Open Systems |
Yes |
No |
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